package com.learn.rabbitmq.controller;

import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;

/**
 * 发送延迟消息
 */
@Slf4j
@RestController
@RequestMapping("/ttl")
public class SendMesController {

    @Autowired
    private RabbitTemplate rabbitTemplate;

    //开始发消息
    @GetMapping("/sendMsg/{message}")
    public void sendMessage(@PathVariable String message) {
        log.info("当前时间:{},发送一条消息给两个TTL队列:{}", new Date().toString(), message);
        rabbitTemplate.convertAndSend("X",
                "XA",
                "消息来自为10s的队列QA" + message);

        rabbitTemplate.convertAndSend("X",
                "XB",
                "消息来自为20s的队列QA" + message);

    }

    //开始发消息 加过期时间
    @GetMapping("/sendTTLMsg/{message}/{TTL}")
    public void sendMessage(@PathVariable String message, @PathVariable String TTL) {
        log.info("当前时间:{},发送一条消息给TTL队列:{}", new Date().toString(), message);
        rabbitTemplate.convertAndSend("X",
                "XC",
                "消息来自为" + TTL + "s的队列QA:" + message, msg -> {
                    //发送消息，设置延迟时长
                    msg.getMessageProperties().setExpiration(TTL);
                    return msg;
                });

    }


}
